Specifies the laboratory sample to have a mass of not less than 500 g. Before carrying out the tests, the sample shall be grind to a fine powder and mixed thoroughly. - ISO 1391, Parts 1 to 4, replace ISO Recommendation R 1391-1970.
Status : WithdrawnPublication date : 1976-12
Edition : 1Number of pages : 1
A standard is reviewed every 5 years
Revisions / Corrigenda